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<pre><code>&lt;!DOCTYPE html&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
    &lt;head&gt;
        &lt;meta charset=&quot;utf-8&quot; /&gt;
        &lt;title&gt;&lt;/title&gt;
    &lt;/head&gt;
    &lt;body&gt;
        &lt;!--
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            autoplay     &#x81EA;&#x52A8;&#x64AD;&#x653E; 
            preload     &#x9884;&#x52A0;&#x8F7D;
            muted        &#x9759;&#x97F3;
            volume        &#x97F3;&#x91CF;(js&#x63A7;&#x5236;)
        --&gt;

        &lt;video  controls=&quot;controls&quot; preload&gt;
            &lt;source src=&quot;media/video.webm&quot; type=&quot;video/webm&quot;&gt;

            &lt;/source&gt;
        &lt;/video&gt;

        &lt;!--
            &#x683C;&#x5F0F;&#x5DE5;&#x5382;&#x7B49;&#x538B;&#x7F29;&#x5DE5;&#x5177;&#x7684;&#x9ED8;&#x8BA4;&#x914D;&#x7F6E;&#x672A;&#x5FC5;&#x9002;&#x5408;&#x6D4F;&#x89C8;&#x5668;&#x4F7F;&#x7528;
            &#x89C6;&#x9891;&#x7F16;&#x7801;        H.264
            &#x97F3;&#x9891;&#x7F16;&#x7801;        AAC
        --&gt;

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        --&gt;
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            name    &#x540D;&#x79F0;&#xFF08;input &#x4E2D;&#x8868;&#x793A;&#x53C2;&#x6570;&#x540D;&#xFF09;
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